Home / 543,829.08-750,181.80-505,341.36

Finding the Fourth Proportional to 543,829.08, 750,181.80 and 505,341.36

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Solution

The fourth proportional to 543,829.08, 750,181.80 and 505,341.36 is: 697,090.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,829.08 : 750,181.80 = 505,341.36 : x
  2. Step 2: Convert to fraction form
    543,829.08/750,181.80 = 505,341.36/x
  3. Step 3: Cross multiply
    543,829.08x = 750,181.80 × 505,341.36
  4. Step 4: Simplify right side
    543,829.08x = 379,097,891,059.25
  5. Step 5: Solve for x
    x = 379,097,891,059.25/543,829.08
  6. Step 6: Final answer
    x = 697,090.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.